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익명게시판

트랜스젠더 지식테스트 수학영역

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2024-04-12 11:00 1,208 0

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개념: 실수는 양의 실수, 음의 실수, 0으로 구성되어 있으며 임의의 실수는 유리수와 무리수로 나누어진다.




예제: 부등식 4<3x-2≤10 의 해집합을 구하여라.


주어진 부등식의 각 항에 2를 더하면 6<3x≤12 이다.


다시 각 항을 3으로 나누면 2

따라서 해집합은 {x|2



문제: 다음 부등식의 해집합을 구하여라.


(x-2)/(x-4) > (x+2)/x

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